Home / 55,139.04-82,709.07-15,696.15

Finding the Fourth Proportional to 55,139.04, 82,709.07 and 15,696.15

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Solution

The fourth proportional to 55,139.04, 82,709.07 and 15,696.15 is: 23,544.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,139.04 : 82,709.07 = 15,696.15 : x
  2. Step 2: Convert to fraction form
    55,139.04/82,709.07 = 15,696.15/x
  3. Step 3: Cross multiply
    55,139.04x = 82,709.07 × 15,696.15
  4. Step 4: Simplify right side
    55,139.04x = 1,298,213,969.08
  5. Step 5: Solve for x
    x = 1,298,213,969.08/55,139.04
  6. Step 6: Final answer
    x = 23,544.37

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.